The New Cabin- Part 1
These pilot boats, made by a division of Vosper Thornycroft, have a much more modern appearance and because they have been widely photographed there is a greater opportunity to use them as a reference to add scale detail to the re-designed cabin. Of the four very similar boats that operate in Southampton I chose ‘Hamstead’ as my point of reference mostly because it has a distinctive green deck which makes it different to the other three which are all photographed with black decks.
You can see what this particular boat is doing at this very moment by looking at the VesselTracker website.
Skydive130 had already started constructing his version, and on seeing his excellent progress and the viability of the re-design I made the decision, after some deliberation, to abandon finishing the ‘Veron’ cabin on my boat and effectively start again. And so following my request he very kindly sent me some rough dimensions of his version for me to use as a starting point for my own.
By using his sketch and examining many of the photographs of the ‘Hamstead’ Pilot boat in great detail from all angles I drew up a side and rear view of the new cabin using ‘Mk 1 eyeball’ and a great deal of guesswork to get the angles and proportions looking about right. The new cabin has to be the same width and length as the old one and have the same bottom curvature to fit correctly onto the existing inner deck part but other than that the design can be whatever you choose to make.
When I was confident of the practicality of the new design I ordered some new ply and Obeche strip from SLEC which was delivered just two days later, excellent service in view of the current (Covid 19) situation 👍
The first thing to do was remove the old cabin structure from the inner deck piece that could still be utilised on the new design, and happily I was able to separate the two quite cleanly without much damage and only requiring a little filler to make good in a couple of places.
And so I started by transferring the drawing to the new 3mm ply sheet for the cabin sides using the time honoured method of making pin holes through the drawing into the wood and then joining up all the dots.
Fortunately 3mm birch ply is easily cut with a ‘Stanley Knife’ (always with a new blade!) and very quickly both cabin sides and the rear cabin wall pieces were cut and trimmed to be identical, including all of the window cut-outs.
From here on the construction is very much a case of ‘making it up as you go along’ but the most crucial aspect was to get the cabin sides angled correctly. There are actually two angles on the cabin sides, one to just below the window line which then changes to a different angle to the roof above that.
This change in angle of the cabin sides was achieved by scoring the inner face of the cabin sides through two of the three wood plies and then carefully making a bend along that line without snapping the remaining ply.
This worked very well and so I was then able to assemble the two cabin sides to the rear cabin wall and add some bracing pieces to form the basic structure, making sure that everything was ‘square’. The angled bend in the ply will be reinforced later in the build.
I made some cut-outs on the side pieces where the side bollards are recessed and glued some overlapping ply over them, these will be later filed and bevelled and an extra back piece glued over the opening to form the deep recess for the bollards.
The last photograph is the standard 'kit' cabin just as a reference for later comparison with the new cabin.
On with the build in the next part. 😁